/* =========================================================
   ShirtFoundry Stickdatei-Konverter – Frontend
   ========================================================= */

.sfk-app {
	--sfk-ink: #14161a;
	--sfk-muted: #6b7280;
	--sfk-line: #e7e8ec;
	--sfk-paper: #fbfbfd;
	--sfk-stage: #f1f2f6;
	--sfk-accent: #6c4bf5;
	--sfk-accent-ink: #4b32c4;
	--sfk-accent-soft: #f1edff;
	--sfk-good: #16a34a;
	--sfk-bad: #dc2626;
	--sfk-warn: #b45309;
	--sfk-radius: 18px;
	--sfk-shadow: 0 1px 2px rgba(20,22,26,.04), 0 18px 40px rgba(20,22,26,.08);

	display: grid;
	grid-template-columns: minmax(0, 1fr) 392px;
	gap: 28px;
	align-items: start;
	max-width: 1160px;
	margin: 0 auto;
	color: var(--sfk-ink);
	font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	line-height: 1.45;
}
.sfk-app *, .sfk-app *::before, .sfk-app *::after { box-sizing: border-box; }
.sfk-app [hidden] { display: none !important; }

/* ---------- Bühne ---------- */
.sfk-stage {
	background:
		linear-gradient(var(--sfk-stage), var(--sfk-stage)),
		repeating-linear-gradient(0deg, rgba(108,75,245,.045) 0 1px, transparent 1px 28px),
		repeating-linear-gradient(90deg, rgba(108,75,245,.045) 0 1px, transparent 1px 28px);
	border: 1px solid var(--sfk-line);
	border-radius: var(--sfk-radius);
	padding: 22px;
	transition: border-color .15s ease;
}
.sfk-stage.is-drag { border-color: var(--sfk-accent); }
.sfk-stage-inner { position: relative; width: 100%; aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center; }

.sfk-drop {
	position: absolute; inset: 10%;
	display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
	padding: 22px; border: 1.5px dashed #c4c6d0; border-radius: 16px; background: rgba(255,255,255,.55);
	color: var(--sfk-muted); cursor: pointer; text-align: center;
	transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.sfk-drop:hover { border-color: var(--sfk-accent); background: rgba(241,237,255,.75); color: var(--sfk-accent-ink); }
.sfk-drop-icon { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: #fff; color: var(--sfk-accent); box-shadow: 0 2px 8px rgba(20,22,26,.08); }
.sfk-drop-title { font-size: 15px; font-weight: 700; color: var(--sfk-ink); }
.sfk-drop-sub { font-size: 12px; }

.sfk-preview { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.sfk-preview-imgwrap { position: relative; max-width: 100%; max-height: 100%; }
.sfk-preview img { max-width: 100%; max-height: 100%; display: block; border-radius: 10px; background: #fff; box-shadow: 0 6px 20px rgba(20,22,26,.10); }
.sfk-preview-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.55); border-radius: 10px; }
.sfk-spinner { width: 30px; height: 30px; border-radius: 50%; border: 3px solid var(--sfk-accent-soft); border-top-color: var(--sfk-accent); animation: sfk-spin .8s linear infinite; }
@keyframes sfk-spin { to { transform: rotate(360deg); } }

.sfk-info { margin-top: 16px; }
.sfk-info-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--sfk-muted); }
.sfk-info-item { font-weight: 600; color: var(--sfk-ink); }
.sfk-swatches { display: inline-flex; gap: 5px; }
.sfk-swatch { width: 18px; height: 18px; border-radius: 5px; border: 1px solid rgba(20,22,26,.15); }
.sfk-warn { margin: 10px 0 0; font-size: 12.5px; color: var(--sfk-warn); background: #fff7ed; border: 1px solid #fed7aa; border-radius: 8px; padding: 8px 10px; }

/* ---------- Stofffarbe (unter der Vorschau) ---------- */
.sfk-fabric { display: flex; align-items: center; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.sfk-fabric-label { font-size: 12px; font-weight: 700; color: var(--sfk-muted); text-transform: uppercase; letter-spacing: .06em; }
.sfk-fabric .sfk-presets { margin: 0; }
.sfk-fabric-note { margin: 6px 0 0; font-size: 12px; color: var(--sfk-muted); }

/* ---------- Panel ---------- */
.sfk-panel { background: #fff; border: 1px solid var(--sfk-line); border-radius: var(--sfk-radius); box-shadow: var(--sfk-shadow); padding: 24px; position: sticky; top: 24px; }
.sfk-panel-head { padding-bottom: 16px; border-bottom: 1px solid var(--sfk-line); }
.sfk-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--sfk-accent-ink); }
.sfk-title { margin: 6px 0 4px; font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.sfk-lead { margin: 0; font-size: 13px; color: var(--sfk-muted); }

.sfk-block { padding: 16px 0; border-bottom: 1px solid var(--sfk-line); }
.sfk-block:last-child { border-bottom: 0; padding-bottom: 0; }
.sfk-block:first-of-type { padding-top: 16px; }
.sfk-block-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.sfk-block-title { margin: 0 0 12px; font-size: 13px; font-weight: 700; }
.sfk-block-head .sfk-block-title { margin: 0; }
.sfk-hint { margin: 8px 0 0; font-size: 12px; color: var(--sfk-muted); }

.sfk-change { display: inline-flex; align-items: center; gap: 7px; padding: 9px 14px; border: 1px solid var(--sfk-line); border-radius: 10px; background: #fff; font-size: 13px; font-weight: 600; color: var(--sfk-ink); cursor: pointer; transition: border-color .12s ease, background .12s ease; }
.sfk-change:hover { border-color: var(--sfk-accent); background: var(--sfk-accent-soft); color: var(--sfk-accent-ink); }
.sfk-change svg { color: var(--sfk-accent); }

/* ---------- Formate ---------- */
.sfk-formats { display: grid; gap: 8px; }
.sfk-format { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 13.5px; }
.sfk-format input { position: absolute; opacity: 0; width: 0; height: 0; }
.sfk-format-box { flex: 0 0 auto; width: 20px; height: 20px; border: 1.5px solid var(--sfk-line); border-radius: 6px; position: relative; transition: border-color .12s ease, background .12s ease; }
.sfk-format input:checked + .sfk-format-box { background: var(--sfk-accent); border-color: var(--sfk-accent); }
.sfk-format input:checked + .sfk-format-box::after { content: ""; position: absolute; left: 6px; top: 2.5px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.sfk-format input:focus-visible + .sfk-format-box { outline: 2px solid var(--sfk-accent); outline-offset: 2px; }

/* ---------- Range ---------- */
.sfk-range { width: 100%; accent-color: var(--sfk-accent); }
.sfk-value input { width: 56px; text-align: right; border: 1px solid var(--sfk-line); border-radius: 8px; padding: 5px 6px; font-size: 14px; font-weight: 600; }
.sfk-value { font-size: 13px; color: var(--sfk-muted); }

/* ---------- Stepper ---------- */
.sfk-stepper { display: inline-flex; align-items: center; border: 1px solid var(--sfk-line); border-radius: 10px; overflow: hidden; }
.sfk-stepper button { width: 38px; height: 38px; border: 0; background: #fff; cursor: pointer; font-size: 18px; }
.sfk-stepper button:hover { background: var(--sfk-paper); }
.sfk-stepper input { width: 44px; height: 38px; text-align: center; border: 0; border-left: 1px solid var(--sfk-line); border-right: 1px solid var(--sfk-line); font-size: 15px; font-weight: 600; -moz-appearance: textfield; }
.sfk-stepper input::-webkit-outer-spin-button, .sfk-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ---------- Segment ---------- */
.sfk-segment { display: inline-flex; gap: 4px; padding: 4px; background: #eceef4; border-radius: 11px; width: 100%; }
.sfk-segment button { flex: 1; border: 0; background: transparent; padding: 8px 6px; border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--sfk-muted); cursor: pointer; transition: background .12s ease, color .12s ease; }
.sfk-segment button.is-active { background: #fff; color: var(--sfk-ink); box-shadow: 0 1px 3px rgba(20,22,26,.12); }

/* ---------- Toggle ---------- */
.sfk-toggle { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.sfk-toggle input { position: absolute; opacity: 0; }
.sfk-toggle-track { flex: 0 0 auto; width: 42px; height: 24px; border-radius: 999px; background: #d4d6de; position: relative; transition: background .15s ease; }
.sfk-toggle-track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.2); transition: transform .15s ease; }
.sfk-toggle input:checked + .sfk-toggle-track { background: var(--sfk-accent); }
.sfk-toggle input:checked + .sfk-toggle-track::after { transform: translateX(18px); }
.sfk-toggle-label { font-size: 13.5px; font-weight: 600; }

/* ---------- Stofffarbe ---------- */
.sfk-colorpick { width: 40px; height: 30px; border: 1px solid var(--sfk-line); border-radius: 8px; overflow: hidden; padding: 2px; cursor: pointer; display: inline-block; }
.sfk-colorpick input[type="color"] { width: 100%; height: 100%; border: 0; padding: 0; background: none; cursor: pointer; }
.sfk-presets { display: flex; gap: 8px; margin-bottom: 4px; }
.sfk-presets button { width: 26px; height: 26px; border-radius: 50%; padding: 0; cursor: pointer; background: var(--sw, #ddd); border: 1px solid rgba(20,22,26,.18); transition: transform .1s ease; }
.sfk-presets button:hover { transform: scale(1.1); }

/* ---------- Aktion ---------- */
.sfk-actions { display: grid; gap: 12px; }
.sfk-cta { width: 100%; padding: 16px 18px; border: 0; border-radius: 13px; background: var(--sfk-accent); color: #fff; font-size: 15px; font-weight: 700; cursor: pointer; transition: background .15s ease, transform .05s ease; }
.sfk-cta:hover { background: var(--sfk-accent-ink); }
.sfk-cta:active { transform: translateY(1px); }
.sfk-cta:disabled { opacity: .5; cursor: not-allowed; }
.sfk-feedback { margin: 0; font-size: 13px; min-height: 18px; }
.sfk-feedback.is-ok { color: var(--sfk-good); }
.sfk-feedback.is-err { color: var(--sfk-bad); }

@media (max-width: 880px) {
	.sfk-app { grid-template-columns: 1fr; }
	.sfk-panel { position: static; }
}
@media (prefers-reduced-motion: reduce) { .sfk-app *, .sfk-spinner { transition: none !important; animation: none !important; } }